56816573406 has 8 divisors (see below), whose sum is σ = 113633146824. Its totient is φ = 18938857800.

The previous prime is 56816573353. The next prime is 56816573447. The reversal of 56816573406 is 60437561865.

It is a sphenic number, since it is the product of 3 distinct primes.

56816573406 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4734714445 + ... + 4734714456.

It is an arithmetic number, because the mean of its divisors is an integer number (14204143353).

Almost surely, 2^56816573406 is an apocalyptic number.

56816573406 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56816573406 is a wasteful number, since it uses less digits than its factorization.

56816573406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9469428906.

The product of its (nonzero) digits is 3628800, while the sum is 51.

The spelling of 56816573406 in words is "fifty-six billion, eight hundred sixteen million, five hundred seventy-three thousand, four hundred six".